using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class _01_HelloWorld : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ScriptManager sc = ScriptManager.GetCurrent(this);
        sc.RegisterAsyncPostBackControl(Button1);
        Label1.Text = "Hello World from the server! The time is " + DateTime.Now.ToLongTimeString();
    }
    protected void Button1_Click(object sender, EventArgs e) {
        UpdatePanelPopupExtender1.ShowAt(Button1);
        UpdatePanel1.Update();
    }
}
